5.5.1.11: dichloromuconate cycloisomerase

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For detailed information about dichloromuconate cycloisomerase, go to the full flat file.

Reaction

Synonyms

dichloromuconate cycloisomerase, isomerase, dichloromuconate cyclo-

ECTree

     5 Isomerases

         5.5 Intramolecular lyases

             5.5.1 Intramolecular lyases (only sub-subclass identified to date)

                5.5.1.11 dichloromuconate cycloisomerase

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Results	in table
1	CAS Registry Number
1	Cofactor
5	Inhibitors
7	KM Value [mM]
1	Metals/Ions
2	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
52	Organism
4	Pathway
1	pH Optimum
1	pH Range
1	Purification (Commentary)
1	Reaction
1	Reaction Type
4	Reference
4	Source Tissue
3	Specific Activity [micromol/min/mg]
2	Storage Stability
15	Substrates and Products (Substrate)
2	Subunits
2	Synonyms
1	Systematic Name
7	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 5.5.1.11 - dichloromuconate cycloisomerase

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SYSTEMATIC NAME

IUBMB Comments

2,4-dichloro-2,5-dihydro-5-oxofuran-2-acetate lyase (decyclizing)

Requires Mn2+. The product of cycloisomerization of dichloro-cis,cis-muconate spontaneously eliminates chloride to produce cis-4-carboxymethylene-3-chlorobut-2-en-4-olide. Also acts, in the reverse direction, on cis,cis-muconate and its monochloro-derivatives, but with lower affinity. Not identical with EC 5.5.1.1 (muconate cycloisomerase) or EC 5.5.1.7 (chloromuconate cycloisomerase).